EPJ Web of Conferences
Volume 31, 2012IWM2011 – International workshop on Multifragmentation and Related Topics
|Number of page(s)||8|
|Published online||05 July 2012|
Evolution of isotopic fission-fragment yields with excitation energy
1 GANIL, CEA/DSM-CNRS/IN2P3, BP 55027, F-14076 Caen cedex 5, France
2 Univ. de Santiago de Compostela, E-15706 Santiago de Compostela, Spain
3 GSI, Planckstrasse 1, 64291 Darmstadt, Germany
4 NSCL, Michigan State University, East Lansing, MI 48824, USA
5 Institut de Physique Nucléaire, CNRS/IN2P3, F-91406 Orsay, France
6 CENBG, UMR 5797 CNRS/IN2P3, Université Bordeaux 1, F-33175 Gradignan, France
7 University of Vigo, E-36310, Spain
8 CEA, DAM, DIF, F-91297 Arpajon, France
9 FLNR, JINR, 141980 Dubna, Moscow region, Russian Federation
10 Dep. of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
11 Dep. of Chemistry, Michigan State University, East Lansing, MI 48824, USA
12 PANTECHNIK S.A., 13, rue de la Résistance, 14400, Bayeux, France
Two fission experiments have been performed at GANIL using 238U beams at different energies and light targets. Different fissioning systems were produced with excitation energies from 10 to 230 MeV and their decay by fission was investigated with GANIL spectrometers. Preliminary fission-fragment isotopic distributions have been obtained. The evolution with impinging energy of their properties, the neutron excess and the width of the neutron-number distributions, gives important insights into the dynamics of fusion-fission mechanism.
© Owned by the authors, published by EDP Sciences - SIF, 2012
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